Fix issue with XYButtons stealing keys. Added ESC key to blur.

pronterface.py

@@ -67,6 +67,7 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         wx.Frame.__init__(self,None,title=_("Printer Interface"),size=size);
         self.SetIcon(wx.Icon("P-face.ico",wx.BITMAP_TYPE_ICO))
         self.panel=wx.Panel(self,-1,size=size)
+        self.panel.SetBackgroundColour("white")
         self.statuscheck=False
         self.tempreport=""
         self.monitor=0
@@ -120,7 +121,6 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.starttime=0
         self.curlayer=0
         self.cur_button=None
-        self.SetBackgroundColour("white")
     
     def startcb(self):
         self.starttime=time.time()

xybuttons.py

@@ -36,7 +36,14 @@ class XYButtons(BufferedCanvas):
         self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDown)
         self.Bind(wx.EVT_MOTION, self.OnMotion)
         self.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeaveWindow)
-        wx.GetTopLevelParent(self).Bind(wx.EVT_CHAR_HOOK, self.onKey)
+        self.Bind(wx.EVT_KEY_UP, self.onKey)
+        wx.GetTopLevelParent(self).Bind(wx.EVT_CHAR_HOOK, self.onTopLevelKey)
+    
+    def onTopLevelKey(self, evt):
+        # Let user press escape on any control, and return focus here
+        if evt.GetKeyCode() == wx.WXK_ESCAPE:
+            self.SetFocus()            
+        evt.Skip()
 
     def onKey(self, evt):
         if self.keypad_idx >= 0:
@@ -52,11 +59,13 @@ class XYButtons(BufferedCanvas):
                 self.quadrant = 0
             else:
                 evt.Skip()
-                return False
+                return
+            
             if self.moveCallback:
                 self.concentric = self.keypad_idx
                 x, y = self.getMovement()
                 self.moveCallback(x, y)
+            evt.Skip()
 
     
     def rotateKeypadIndex(self):
@@ -124,6 +133,9 @@ class XYButtons(BufferedCanvas):
             self.update()
 
     def OnLeftDown(self, event):
+        # Take focus when clicked so that arrow keys can control movement
+        self.SetFocus()
+
         mpos = event.GetPosition()
 
         idx = self.mouseOverKeypad(mpos)